verb (used without object), o·ver·slept, o·ver·sleep·ing.
- to sleep beyond the proper or intended time of waking: He overslept and missed his train.
verb (used with object), o·ver·slept, o·ver·sleep·ing.
- to sleep beyond (a certain hour): She had overslept her usual time of arising.
- to let (oneself) sleep past the hour of arising: Of all mornings to oversleep myself!
verb -sleeps, -sleeping or -slept
- (intr) to sleep beyond the intended time for getting up
v.late 14c., from over- + sleep (v.). Related: Overslept; oversleeping. Old English had a noun oferslæp “too much sleep.”